Databases Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Databases Interview Questions

Questions Answers Views Company eMail

what are myisam tables? : Sql dba

1 1086

how to increment dates by 1 in mysql? : Sql dba

1 1037

what is sql in mysql? : Sql dba

1 1247

how to show all tables with 'mysql'? : Sql dba

1 1164

how many columns can be used for creating index? : Sql dba

1 989

how to rename an existing table in mysql? : Sql dba

1 1135

Mention the differences between substr and charindex in sql server.

1 1128

Write an sql query to find first weekday of the month?

1 992

What do you understand by triggers and mention the different types of it?

1 1004

When do you think a developer should use sql server-based cursors?

1 1119

Mention the differences between having and where clause.

1 1124

Explain the usage of floor function in sql server.

1 1033

What do you understand by replication in sql server?

1 1138

What do you understand by hotfixes and patches in sql server?

1 1038

Mention the different authentication modes in sql server.

1 1124

Un-Answered Questions { Databases }

What is the primary use of the model database?

1141

This question asked during interview, 2) At the end of each month, a new table is created for each bank that contains monthly metrics consolidated at the account level. The table naming convention is bankX_YYYYMM where X represents the numeric designation of the bank and YYYYMM indicates the 4 digit year and 2 digit month. The tables contain the following fields: name data type description account text account number registered boolean indicates whether the account is registered num_trans integer number of transactions made during the time period spend numeric(9,2) total spend during the time period a) Write a SQL query that will display the total number of transactions and total spend for "Bank1" during the 4th quarter of 2009. b) Write a SQL query that will display the total number of transactions and total spend at "Bank1" and "Bank2", broken out by registered vs. non-registered accounts, during January 2010 not sure what is correct answer and how to solve?

2545

List out the different types of locks available in sql server?

1037

What is standby servers? Explain types of standby servers.

1067

How do I find the sql server version?

1096

How to write a left outer join with the where clause in oracle?

1136

what is spatial nonclustered index

1047

What are the different SQL Server Versions you have worked on?

1071

How efficient you are in oracle and SQL server?

1234

Can sql servers link to other servers like oracle?

900

What is the best sql course?

1031

Have you created fact table and dimension tables?

694

define sql insert statement ? : Sql dba

1086

How can you append an identity column to a temporary table?

1050

How to enter binary string literals in ms sql server?

1231

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